Chapter 11 Specifications
|
ASDA-AB Series
11-8
Revision January 2009
11.4 Overload Characteristics
Overload Protection Function
Overload protection is a built-in protective function to prevent a motor from overheating.
Occasion of Overload
1. Motor was operated for several seconds under a torque exceeding 100% torque.
2. Motor had driven high inertia machine and had accelerated and decelerated at high frequency.
3. Motor UVW cable or encoder cable was not connected correctly.
4. Servo gain was not set properly and caused motor hunting.
5. Motor holding brake was not released.
Chart of load and operating time (ECMA-C30401
)
0.1
1
10
100
1000
0
50
100
150
200
250
300
Load (%) rated torque
O
per
at
in
g T
im
e (
sec
on
ds
)
Load
Operating
Time
120% 139.335s
140% 27.585s
160% 14.235s
180% 8.9625s
200% 6s
220% 4.4925s
240% 3.2925s
260% 2.58s
280% 2.07s
300% 1.6125s
Содержание AC Servo Drive ASDA-AB
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Страница 335: ...Chapter 12 Application Examples ASDA AB Series 12 38 Revision January 2009 Connecting to Delta DVP 01PU...
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Страница 356: ...Appendix A Accessories ASDA AB Series Revision January 2009 B 3 Figure 1 Saddle on both ends Saddle on one end Figure 2...